{
  "step": "C359",
  "status": "completed",
  "date": "2026-09-24",
  "title": "Two-segment E and 300/299 realization of the primary 529 side",
  "previous_certificate_sha256": "06dbafa7522a2067c5b4da487ef34542049924a397fdcbe3a30f74992e155549",
  "bindings": {
    "step": "STEP.json",
    "source_manifest": "SOURCE_MANIFEST.json",
    "report": "490d_C359_Primary_529_Side_to_SP_Shem_Lifespan_Comparison_20260924.md",
    "checkpoint": "490d_Mirror_Checkpoint_After_C359_20260924.md",
    "data": "evidence/DATA.json",
    "results": "evidence/RESULTS.json",
    "calculation": "evidence/CALCULATION.py",
    "verifier": "evidence/check.py",
    "next_step_decision": "NEXT_STEP_DECISION.json",
    "replay": "REPLAY.json",
    "control_integrity": "CONTROL_INTEGRITY.json",
    "readme": "README.md"
  },
  "step_sha256": "375f0b1bcfd89be752dfdfa199f13385015a47b4cef60c105ade5dc593521b07",
  "source_manifest_sha256": "53c375a5d1ac172fc7c334d6a12dd2fee2a11c5dfd808c3b6318e3a15e0958ab",
  "report_sha256": "9d4410c88223ed0e3232dcdc09133d595ddfa108860851db19a169a631d9b8ee",
  "checkpoint_sha256": "8400b7d42e51be22fe4601da83f1179ef23cc1a6dea29ebbc48b86591719577c",
  "data_sha256": "e71450b8fede2d3aecbda719ef22c538f74295b034c61647499598a876dc218b",
  "results_sha256": "0ea9252c69bc9c25f789d54042660288d5ccc444bfb83cedd96043d42215de17",
  "calculation_sha256": "7dcb2feadf9187e53d693404b974bdc6208c220f6e932b3667ff5110048e36a4",
  "verifier_sha256": "9f175670abb70f7819dd7f6d997ff0bef2e58df8dffd763b433f6c6cd62e332d",
  "next_step_decision_sha256": "89efd62a1b93fe2205a5da6714fa8d306cdc5ea9697e6af11dd53d8d4cf266af",
  "replay_sha256": "1eb777478dbe4cb436d2607fb49a4735c40c83436177099d40b4c94615d58f6d",
  "control_integrity_sha256": "9810807cb07b02f43f568f68bb82cb41a6eeff6799902254b4932e5c350ac838",
  "readme_sha256": "5a3708c6c2895288fc7746b4d1843d39a9c39e2fb7b3e4c93fdba130bf75f6d1",
  "assertions_passed": 14,
  "source_checks_passed": 17,
  "main_result": "The exact continuous two-segment comparison maps primary460+598=1058 to sourced SP500+600=1100. E maps M to SP Shem birth;300/299 maps the following gap to its600 lifespan. The42 gain and550/529 total ratio are diagnostic, not a new global operator.",
  "limits": "The joined comparison is inferred, not source-prescribed. Two different slopes cannot be collapsed into one global affine map; scalar equality or endpoint agreement does not equate functions.",
  "canonical_or_graph_edits": false,
  "new_independent_agent_review": false,
  "review_provenance": "Root-agent analysis and deterministic replay; no new independent-agent review",
  "next_proposed_step": "Test this two-segment source mapping against every C319 control, including SP companion and source-membership failures. Derive the exact endpoint residuals and determine whether it selects the cumulative settinga as well as the regular settingb.",
  "next_step_executed": false
}